import pandas as pd
import re
df = pd.read_csv('./123.csv')
str = df['product_type_list'][0]
cop = re.compile("[^\u4e00-\u9fa5^a-z^A-Z^0-9]")
str = cop.sub(' ',str)
str = str.split(' ')
list = []
for i in str:
    if i != '':
        list.append(i)
print(list[1])

